Re: #f vs. '() vs. nil

Perry E. Metzger (perry@piermont.com)
Fri, 06 Sep 1996 18:00:48 -0400

Petr Adamek writes:
> I believe that the last sentence is not entirely correct. It is
> effectively UNSPECIFIED, whether or not the empty list is the false
> object or not.

I believe IEEE Scheme specifies the distinction, as did the interim
report (which has yet to turn into R5RS).

Also, most scheme implementation do make the distinction.

I think Jim Blandy has come up with a nice compromise, and I suggest
we keep it.

Perry